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Duraform EX model Duraform EX model Duraform EX model

DuraForm EX

DuraForm EX is based on nylon 11 and is available in natural or black. The key benefits are enhanced toughness and suitability for low to medium volume manufacturing runs. Various types of clip and living hinges can be produced.

Technical Data

Click here for supplier's data sheet.

General Properties Value Test
Specific Density 1.01 g/cm3 ASTM D792
Moisture Absorption – 24 hours 0.48% ASTM D570
Moisture Saturation 1.15% ASTM D570
Mechanical Properties Value Test
Tensile Strength, Yield 37 MPa (5366 psi) ASTM D638
Tensile Strength, Ultimate 48 MPa (6961 psi) ASTM D638
Tensile Modulus 1517MPa (220 ksi) ASTM D638
Elongation at Yield 5% ASTM D638
Elongation at Break 47% ASTM D638
Flexural Strength, Yield 42 MPa (6091 psi) ASTM D790
Flexural Strength, Ultimate 46 MPa (6672 psi) ASTM D790
Flexural Modulus 1310 MPa (190 ksi) ASTM D790
Hardness, Shore D 74 ASTM D2240
Hardness, Rockwell L 69 ASTM D785
Hardness, Rockwell M 34 ASTM D785
Impact Strength (notched IZOD, 23°C) 74 J/m (1.4 ft-lb/in) ASTM D256
Impact Strength (unnotched IZOD, 23°C) 1486 J/m (27.8 ft-lb/in) ASTM D256
Garner Impact 11.8 J (8.7 ft-lb) ASTM D5420
Thermal Properties Value Test
Heat Deflection Temp 188°C @ 0.45 MPa
48°C @ 1.82 MPa
ASTM648
Coefficient of Thermal Expansion (51-150°C) 120.0 µm/m-°C (66.7 µin/in-°F) @ 0-50°C
342 µm/m-°C (190 µin/in-°F) @ 85-145°C
ASTM E831
Specific Heat Capacity 1.75 J/g-°C (0.418 BTU/lb-°F) ASTM E1269
Thermal Conductivity 0.51 W/m-K (3.5 BTU-in/hr-ft2-°F) ASTM E1225
Flammability HB UL 94
Electrical Properties Value Test
Volume Resistivity 1.3 x1013 ohm-cm ASTM D257
Surface Resistivity 4.9 x1013 ohm ASTM D257
Dissipation Factor, 1 KHz 0.050 ASTM D150
Dielectric Constant, 1 KHz 4.5 ASTM D150
Dielectric Strength 18.5 kV/mm (470 kV/in) ASTM D149
Data was generated by building parts under typical default parameters. DuraForm EX was processed on a base level Sinterstation HiQ SLS system at 13 watts laser power, 5 metres/sec scan speed, and a powder layer thickness of 0.1mm.
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